Specimen: 2 mL (1 mL min.) serum from 1 SST. Ship refrigerated or frozen. At least 6 weeks should elapse after thyroidectomy or needle biopsy or Iodine-131 therapy before specimen collection.
Stability (Room): N/A
Stability (Refrigerated): 48 hrs
Stability (Frozen): 4 weeks
Method: Chemiluminescent Immunoassay
Price: Contact Medilab
Turnaround time (TAT): 10 – 15 days
Usage: This assay is useful as a follow up of patients with differentiated thyroid cancers after thyroidectomy & ablation. It also acts as an aid in determining the presence of thyroid metastasis to lymph nodes. In the absence of significant thyroid remnant, elevated or rising Tg levels are suspicious of recurrent or persistent disease.
Disease: Cancer- Throid gland
Home Collection: Available
Pre-test Information: At least 6 weeks should elapse after thyroidectomy or needle biopsy or Iodine-131 therapy before specimen collection.